102344431 has 16 divisors (see below), whose sum is σ = 125452800. Its totient is φ = 81533088.

The previous prime is 102344419. The next prime is 102344453. The reversal of 102344431 is 134443201.

It is not a de Polignac number, because 102344431 - 2⁷ = 102344303 is a prime.

It is a super-2 number, since 2×102344431² = 20948765113427522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102344461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211 + ... + 14308.

It is an arithmetic number, because the mean of its divisors is an integer number (7840800).

Almost surely, 2^102344431 is an apocalyptic number.

102344431 is a deficient number, since it is larger than the sum of its proper divisors (23108369).

102344431 is a wasteful number, since it uses less digits than its factorization.

102344431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14598.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 102344431 is about 10116.5424429496. The cubic root of 102344431 is about 467.7581953317.

Adding to 102344431 its reverse (134443201), we get a palindrome (236787632).

It can be divided in two parts, 1023 and 44431, that added together give a palindrome (45454).

The spelling of 102344431 in words is "one hundred two million, three hundred forty-four thousand, four hundred thirty-one".